/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Chimera code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2006-2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Simon Fraser <sfraser@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#import <AppKit/AppKit.h>

#ifdef __cplusplus
extern "C" {
#endif

// utility routine; returns YES if the sizes are equal, with the given slop
BOOL CHCloseSizes(NSSize aSize, NSSize bSize, float slop);

#ifdef __cplusplus
}
#endif

// category on NSView to add utilities for easy view resizing etc.

@interface NSView(CHViewUtils)

// move the receiver from its superview to the destView, 
// maintaining  the relative size and position of the view based
// on its autoresize flags.
- (void)moveToView:(NSView*)destView resize:(BOOL)resize;

// swap in the given subview as the first subview of the receiver,
// returning the old view. Does nothing if the given view is
// alreay the first subview
- (NSView*)swapFirstSubview:(NSView*)newSubview;

- (NSView*)firstSubview;
- (NSView*)lastSubview;

- (void)removeAllSubviews;

// is 'inView' an immediate subview of the receiver
- (BOOL)hasSubview:(NSView*)inView;

- (void)setFrameSizeMaintainingTopLeftOrigin:(NSSize)inNewSize;

// convert inRect to view coords depending on whether the view is flipped
- (NSRect)subviewRectFromTopRelativeRect:(NSRect)inRect;

@end
